Home / 165,931.16-248,796.66-66,106.76

Finding the Fourth Proportional to 165,931.16, 248,796.66 and 66,106.76

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Solution

The fourth proportional to 165,931.16, 248,796.66 and 66,106.76 is: 99,120.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,931.16 : 248,796.66 = 66,106.76 : x
  2. Step 2: Convert to fraction form
    165,931.16/248,796.66 = 66,106.76/x
  3. Step 3: Cross multiply
    165,931.16x = 248,796.66 × 66,106.76
  4. Step 4: Simplify right side
    165,931.16x = 16,447,141,091.42
  5. Step 5: Solve for x
    x = 16,447,141,091.42/165,931.16
  6. Step 6: Final answer
    x = 99,120.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.